/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package sgt.supermarket.controller.admin;

import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sgt.supermarket.controller.XServlet;
import sgt.supermarket.entity.Employee;
import sgt.supermarket.entity.Role;
import sgt.supermarket.hibernatedao.HibernateDAOFactory;
import sgt.supermarket.util.Converter;
import sgt.supermarket.util.ServletExtensions;

/**
 *
 * @author Administrator
 */
public class AssignRole extends XServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HibernateDAOFactory factory = new HibernateDAOFactory();
        String username = ServletExtensions.getStringParam(request, "u");
        Employee employee = factory.getEmployeeDAO().getByUsername(username);
        if (request.getMethod().equalsIgnoreCase("POST")) {
            String[] roleIds = request.getParameterValues("roles");
            employee.removeAllRoles();
            for (String id : roleIds) {
                employee.addRole(factory.getRoleDAO().getById(Converter.toLong(id)));
            }
            factory.getEmployeeDAO().save(employee);
            response.sendRedirect(request.getContextPath() + "/admin/listEmployees");
            return;
        }
        List<Role> allRoles = factory.getRoleDAO().getAll();
        request.setAttribute("title", "Assign role: " + employee.getFullname());
        request.setAttribute("employee", employee);
        request.setAttribute("allRoles", allRoles);
        request.getRequestDispatcher("/admin.assignRole.tiles").forward(request, response);

    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException,
            IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException,
            IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
